spec/chotto_spec.rb


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# frozen_string_literal: true

require 'rspec'
require_relative '../lib/chotto'

describe Chotto do
  let(:db_double) { double('::Notmuch::Database') }
  let(:db_instance_double) { double('::Notmuch::Database') }
  let(:db_query_double) { double('::Notmuch::Query') }
  let(:message_double) { double('::Notmuch::Message') }

  before do
    $db_double = db_double # we need to access this double within block evaled elsewhere

    allow(db_double).to receive(:new).with('/path', mode: Notmuch::MODE_READ_WRITE).and_return(db_instance_double)

    allow(db_instance_double).to receive(:query).with(' (from:baltar@galactica.com)').and_return(db_query_double)
    allow(db_query_double).to receive(:search_messages).and_return([message_double])

    Chotto.configure do
      config.database_path = '/path'
      config.db_class = $db_double
    end

    Chotto.rule_set 'sample' do
      messages.or.filter(from: 'baltar@galactica.com').each do |msg|
        msg.tags = msg.subject == 'Number Six' ? [:todo] : [:spam]
        msg.save!
      end
    end
  end

  it 'sends the rules to Notmuch - scenario 1' do
    expect(message_double).to receive(:tags).and_return([])
    expect(message_double).to receive(:header).with('Subject').and_return('Number Six')
    expect(message_double).to receive(:remove_all_tags)
    expect(message_double).to receive(:add_tag).with('todo')
    expect(db_instance_double).to receive(:close)

    eval_rules
  end

  it 'sends the rules to Notmuch - scenario 2' do
    expect(message_double).to receive(:tags).and_return([])
    expect(message_double).to receive(:header).with('Subject').and_return('Boomer')
    expect(message_double).to receive(:remove_all_tags)
    expect(message_double).to receive(:add_tag).with('spam')
    expect(db_instance_double).to receive(:close)

    eval_rules
  end
end